Pretty well decided that my Dark is on the way out, but thought I'd throw out the symptoms in case anybody had resolved a similar issue.

I'm starting to think that the memory controller is on the way out on the dark. It started with being finicky about booting my Ballistix without bumping the voltage in bios first (not uncommon so I wasn't too concerned), but now it's at the point that it won't boot my supertalent in dual channel at stock settings until I boot in single channel first. Once the board picks up auto settings for the single channel, I can shut down and drop the second in without any problems.

Here's the kicker though... this behaviour happens almost every time I change a setting (i.e. bump FSB) and it's getting to be a pain dropping to single channel every time I want to reboot with new settings. I'm also starting to experience the occasional mem problem when I reboot without making changes (doesn't happen all that often as I leave my rigs running 24/7) but again... taking out one stick to let the board pick up settings, and then dropping in the second stick for dual channel seems to bring it back up.

This is happening with 4 different sticks of memory (4 Ballistix 2 supertalent).

Yes I do, and that's the next step, but it's two different sets of older Ballistix (double sided / different purchase times), and my set of Supertalent which has always been rock solid. If it does happen to be all three sets of memory... I'd still suspect the motherboard of being the culprit.... :) (Can you tell I'm working myself up to a purchase).

The other possibility that I haven't mentioned is if it might be the processor itself..... I've run some pretty high Vtt through this puppy.

Also, try some different memory brands too, we all know DFI' has had some finicky things with memory before, and because it's getting older and you've pushed the board hard it may just not work well with those sticks anymore.

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